/**	Script: clipboard.js
		Provides access to the OS clipboard so that data can be copied to it (using a flash plugin).
		
		Author:
		Aaron Newton <aaron [dot] newton [at] cnet [dot] com>
		Original source: http://www.jeffothy.com/weblog/clipboard-copy/
		
		Dependencies:
		Mootools - <Moo.js>, <Utilities.js>, <Common.js>, <Array.js>, <String.js>, <Element.js>, <Function.js>
		CNET - (optional) <element.forms.js>
		
		Class: Clipboard
		Provides access to the OS clipboard so that data can be copied to it (using a flash plugin).
		
		Extendida por Jorge Sosa. Muestra mensaje de confirmación
*/
var Clipboard = {
	swfLocation: '/components/clipboard/clipboard.swf',
/*	Property: copyFromElement
		Copies the selected text in an element to the clipboard.
		
		Arguments:
		element - the element that has selected text.
		
		Added Span id for confirmation message
	*/
	copyFromElement: function(element, labelId) {
		element = $(element);
		if(!element) return null;
		if (window.ie) {
			try {
				window.addEvent('domready', function() {
					var range = element.createTextRange();
					if(range) range.execCommand('Copy');
				});
			}catch(e){
				dbug.log('cannot copy to clipboard: %s', o)
			}
		} else {
			var text = (element.getSelectedText)?element.getSelectedText():element.getValue();
			if (text) Clipboard.copy(text);
		}
		Clipboard.copyConfirm(labelId);
		return element;
	},
/*	Property: copy
		Copies a string to the clipboard.
		
		Arguments:
		text - (string) value to be copied to the clipboard.
	*/
	copy: function(text) {
		if(window.ie){
			window.addEvent('domready', function() {
				var cb = new Element('textarea', {styles: {display: 'none'}}).injectInside(document.body);
				cb.setProperty('value', text).select();
				Clipboard.copyFromElement(cb);
				cb.remove();
			});
		} else {
			var swf = ($('flashcopier'))?$('flashcopier'):new Element('div').setProperty('id', 'flashcopier').injectInside(document.body);
			swf.empty();
			swf.setHTML('<embed src="'+this.swfLocation+'" FlashVars="clipboard='+escape(text)+'" width="0" height="0" type="application/x-shockwave-flash"></embed>');
		}
	},
	
	/**
	 * This is our new code for confirmation messages
	 * We depend on JsLang for this.
	 */
	 confirmationMessage: "Done",
	 setMessage: function (text) {
	 	Clipboard.confirmationMessage = text;
	 },
	 
	 copyConfirm: function(labelId) {
	 	var label = $(labelId);
	 	if ($type(label) == 'element') {
	 		label.setText(Clipboard.confirmationMessage);
	 		window.setTimeout("$('"+labelId+"').setText('');", 2000);
	 	}
	 }
};